Home / 476,597.51-657,716.01-261,742.21

Finding the Fourth Proportional to 476,597.51, 657,716.01 and 261,742.21

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Solution

The fourth proportional to 476,597.51, 657,716.01 and 261,742.21 is: 361,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,597.51 : 657,716.01 = 261,742.21 : x
  2. Step 2: Convert to fraction form
    476,597.51/657,716.01 = 261,742.21/x
  3. Step 3: Cross multiply
    476,597.51x = 657,716.01 × 261,742.21
  4. Step 4: Simplify right side
    476,597.51x = 172,152,042,009.78
  5. Step 5: Solve for x
    x = 172,152,042,009.78/476,597.51
  6. Step 6: Final answer
    x = 361,210.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.